Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung cong code snippets" » "dung trong code snippets", "dung cong cong snippets", "dung cong co snippets", "dung cong che snippets"
"trinh a model snippets" » "trinh va model snippets", "trinh da model snippets", "trinh ha model snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh a model snippets") OR ("dung cong code snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( trinh a model snippets ) or ( dung cong code snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("trinh a model snippets") or ("dung cong code snippets"))) or ("locating bugs code snippets"))*.